ds450-3/DS550-3 distributed power bulk front-end total output power: 450 - 550 watts +12 vdc main output +3.3 vdc standby output wide range input voltage: 90 - 264 vac special features ? active power factor correction ? en61000-3-2 harmonic compliance ? inrush control ? 1u x 2u form factor ? 10.3 w/in 3 (ds550) 8.4 w/in 3 (ds450) ? +12 vdc output ? +3.3 vdc standby ? no minimum load required ? hot plug operation ? n + 1 redundant ? internal oring fets ? active current sharing ? built-in cooling fans (40 mm x 28 mm) ? i 2 c communication interface bus ? eeprom for fru data ? amber led status, fan_fail ? green led status, power good/ac_ok status ? internal fan speed control ? fan fail tach output signal ? one year warranty safety ? ul/cul 60950 (ul recognized) ? nemko+ cb report en60950 ? en60950 ? ce mark ? china ccc electrical specifcations input input ra nge 90 - 264 vac (wide range) frequency 47 - 63 hz, single phase ac inrush current 15 a maximum effciency > 84% typical at full load, high line conducted emi fcc subpart j en55022 class a radiated emi fcc subpart j en55022 class a power factor 0.99 typical leakage current 1.30 ma @ 240 vac hold up time 20 ms minimum output main dc voltage +12 v standby +3.3 vsb adjustment range factory set, no pot adjustments regulation +12 vdc; +5%/-3% +3.3 vsb; +5%/-4% overcurrent see table 1 next page overvoltage +12 vdc; 13.5 - 15 vdc +3.3 vsb; 3.76 - 4.30 vdc undervoltage +12 vdc; 11.0 - 11.5 vdc +3.3 vsb; 2.77 - 3.00 vdc turn-on delay 1 second max +12 v output rise time 2 - 20 ms, monotonic data sheet power
logic control ps inhibit when supply is inserted into the system the pin is pulled low and power supply is on after all other pins are seated ps_status i 2 c port p6. when the power supply is on and running normal p6 is low. when the power supply is off, either due to -ps_on, ps_kill, or a fault, then p6 is high. ac_pfail i 2 c port p7. p7 is high except when the power supply turns the main outputs, not +3.3 vsb, off due to an ac failure (ac missing or too low for power supply operation). if the supply is turned off due to -ps_on, ps_kill, or a fault, then p7 remains high. fan_fault the psu will provides an open collector tach 1 output. tach_1 this signal is generated from the fan. the signal should generate 2 pulses per revolution. the logic in the system will be operating at 3.3 v. environmental specifcations operating temperature -10 c to 50 c storage temperature -40 c to +70 c altitude, operating 10,000 ft. electromagnetic susceptibility/input transients -en61000-3-2, -3-3 -en61000-4-2, 4.3, 4-4, -4-5, 4-11 -en55024:1998 rohs & lead-free compliant (no tantalum caps) humidity 20 to 90% rh, non-condensing shock and vibration specifcatons complies with artesyn embedded technologies std. specifcation. mtbf (demonstrated) 400 k hrs at full load, 40 c ordering information output nominal output voltage set point set point tolerance total regulation minimum current maximum current output ripple p/p overcurrent options ds450-3 12.0 vdc 3.3 vsb 0.2% 1% +5/-3% +5/-4% 0 a 0 a 37.0 a 3.0 a 120 mv 60 mv 39.5 a - 44.4 a 4.9 a avg, 7 a max standard ds450-3-002 12.0 vdc 3.3 vsb 0.2% 1% +5/-3% +5/-4% 0 a 0 a 37.0 a 3.0 a 120 mv 60 mv 39.5 a - 44.4 a 4.9 a avg, 7 a max reverse air DS550-3 12.0 vdc 3.3 vsb 0.2% 1% +5/-3% +5/-4% 0 a 0 a 45.0 a 3.0 a 120 mv 60 mv 48.0 a - 54.0 a 4.9 a avg, 7 a max standard *overcurrent latches off if overcurrent lasts over 1 second, otherwise it is auto recovery. *for 5 vsb, please contact marketing department. ds450-3/DS550-3 data sheet
1.575" 0.3" (40.0 0.8) 3.071" .03" (78.0 0.8) .197" .02" (5.0 0.5) .228 .02 (5.8 0.5) 2.84" (72.2) .972" 0.2" 24.7 0.5 .1496" .02" (3.8 0.5) 11.925" 0.3" (302.9 0.8) 13.29" (337.6) 12.03" 0.3" (305.6 0.8) 10.02" (254.6) .3976" .028" (10.1 0.5) .138" .020" (3.5 0.5) (2x) (3x) 10.02" (254.7) 10.88" (276.4) (3x) 254.6 1.51" .03" (38.4 0.8) 2.913" .024") (74.0 0.6) 3.0 0.3 latch spring distance (ref.) 41.5 1.453" (36.9) 1.52" (38.4) 3.07" (78.0) b c f h d f e k 'power good' green 'fault' yellow 'ac good' green a f f g j 10.02" (254.7) std airflow mechanical drawings ds450-3/DS550-3 data sheet
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